結果
| 問題 | No.1640 簡単な色塗り |
| ユーザー |
 yakamoto
|
| 提出日時 | 2021-08-06 23:15:17 |
| 言語 | Kotlin (2.1.0) |
| 結果 |
WA
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 4,488 bytes |
| コンパイル時間 | 15,477 ms |
| コンパイル使用メモリ | 476,676 KB |
| 実行使用メモリ | 136,560 KB |
| 最終ジャッジ日時 | 2024-06-29 16:18:14 |
| 合計ジャッジ時間 | 56,817 ms |
|
ジャッジサーバーID （参考情報） |
judge5 / judge2 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 52 WA * 1 |
コンパイルメッセージ
Main.kt:176:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
private inline fun debug(a: LongArray) {
^
Main.kt:180:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
private inline fun debug(a: IntArray) {
^
Main.kt:184:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
private inline fun debug(a: BooleanArray) {
^
Main.kt:188:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")}
^
Main.kt:190:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
private inline fun debugDim(A: Array<LongArray>) {
^
Main.kt:197:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
private inline fun debugDim(A: Array<IntArray>) {
^
Main.kt:204:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
private inline fun debugDim(A: Array<BooleanArray>) {
^
Main.kt:221:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()}
^
ソースコード
import java.io.BufferedReader
import java.io.InputStream
import java.io.InputStreamReader
import java.lang.AssertionError
import java.util.*
import kotlin.math.abs
import kotlin.math.max
import kotlin.math.min
val MOD = 1_000_000_007
data class Edge(val i: Int, val v: Int, val u: Int)
class Solver(stream: InputStream, private val out: java.io.PrintWriter) {
private val reader = BufferedReader(InputStreamReader(stream), 32768)
fun solve() {
val th = Thread(null, Runnable {
solve2()
}, "solve", 1 shl 26)
th.start()
th.join()
}
fun solve2() {
val N = ni()
val E = Array(N){Edge(it, ni() - 1, ni() - 1)}
val g = Array(N){ mutableSetOf<Int>() }
for (i in E) {
g[i.v].add(i.i)
g[i.u].add(i.i)
}
val que = ArrayDeque<Int>() // node id
for (i in 0 until N) {
if (g[i].size == 1) que += i
}
val ans = IntArray(N){-1}
val used = BooleanArray(N)
while (que.isNotEmpty()) {
val v = que.pop()
val id = g[v].first()
ans[id] = v
used[v] = true
for (u in intArrayOf(E[id].v, E[id].u)) {
g[u].remove(id)
if (g[u].size == 1) que += u
}
}
val unq = mutableSetOf<Int>()
var unassigned = 0
for (i in 0 until N) {
if (ans[i] == -1) {
unq += E[i].v
unq += E[i].u
unassigned++
}
}
if (unq.size != unassigned) {
out.println("No")
}
else {
fun dfs(v: Int, parEdge: Int) {
for (id in g[v]) {
if (id == parEdge) continue
if (ans[id] == -1) {
ans[id] = v
used[v] = true
val u = (E[id].v xor E[id].u) xor v
dfs(u, id)
}
}
}
for (v in 0 until N) {
if (!used[v]) {
dfs(v, -1)
}
}
out.println("Yes")
ans.map { it + 1 }.forEach { out.println(it) }
}
}
private val isDebug = try {
// なんか本番でエラーでる
System.getenv("MY_DEBUG") != null
} catch (t: Throwable) {
false
}
private var tokenizer: StringTokenizer? = null
private fun next(): String {
while (tokenizer == null || !tokenizer!!.hasMoreTokens()) {
tokenizer = StringTokenizer(reader.readLine())
}
return tokenizer!!.nextToken()
}
private fun ni() = next().toInt()
private fun nl() = next().toLong()
private fun ns() = next()
private fun na(n: Int, offset: Int = 0): IntArray {
return IntArray(n) { ni() + offset }
}
private fun nal(n: Int, offset: Int = 0): LongArray {
val res = LongArray(n)
for (i in 0 until n) {
res[i] = nl() + offset
}
return res
}
private fun na2(n: Int, offset: Int = 0): Array<IntArray> {
val a = Array(2){IntArray(n)}
for (i in 0 until n) {
for (e in a) {
e[i] = ni() + offset
}
}
return a
}
private inline fun debug(msg: () -> String) {
if (isDebug) System.err.println(msg())
}
/**
* コーナーケースでエラー出たりするので、debug(dp[1])のように添え字付きの場合はdebug{}をつかうこと
*/
private inline fun debug(a: LongArray) {
debug { a.joinToString(" ") }
}
private inline fun debug(a: IntArray) {
debug { a.joinToString(" ") }
}
private inline fun debug(a: BooleanArray) {
debug { toString(a) }
}
private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")}
private inline fun debugDim(A: Array<LongArray>) {
if (isDebug) {
for (a in A) {
debug(a)
}
}
}
private inline fun debugDim(A: Array<IntArray>) {
if (isDebug) {
for (a in A) {
debug(a)
}
}
}
private inline fun debugDim(A: Array<BooleanArray>) {
if (isDebug) {
for (a in A) {
debug(a)
}
}
}
/**
* 勝手にimport消されるのを防ぎたい
*/
private fun hoge() {
min(1, 2)
max(1, 2)
abs(-10)
}
private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()}
private inline fun assert(b: Boolean, f: () -> String) = run{if (!b) throw AssertionError(f())}
companion object {
// TestRunnerから呼びたいので単純なmainじゃだめ
fun main() {
val out = java.io.PrintWriter(System.out)
Solver(System.`in`, out).solve()
out.flush()
}
}
}
/**
* judgeから呼ばれる
*/
fun main() = Solver.main()